Granted Patent
Utility
US 5,783,939 · App. 08/686,889
Stepper motor gauge calibration by AC feedback
Inventors:
Raymond Lippmann, Gail M. Sylvester, Michael J. Schnars, Jeffrey Lynn Shepard, Ronald Kenneth Selby, James E. Nelson
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Jul 26, 1996
Inventors
Raymond Lippmann
Gail M. Sylvester
Michael J. Schnars
Jeffrey Lynn Shepard
Ronald Kenneth Selby
James E. Nelson
Assignee (at issue)
DELCO ELECTRONICS CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.